fix: 同意好友申请时，服务器内部错误

[wlgs666]

报错信息：

NewFriends.vue:161
Approve contact error:Error:Internal server error
at index.ts:62:27

[wlgs666]

国际化配置问题：
在i18n的配置文件中没有contacts.actionFailed字段
报错信息：

[intlify] Not found 'contacts.actionFailed' key in 'zh' locale messages.
[intlify] Fall back to translate 'contacts.actionFailed' key with 'en-US' locale.
[intlify] Fall back to translate 'contacts.actionFailed' key with 'en' locale.
[intlify] Not found 'contacts.actionFailed' key in 'en' locale messages.

[wlgs666]

可以拒绝，但是不能同意